19857081

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1433}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 27532800

約数和(自身を除く): 7675719

約数列:

[1, 3, 31, 93, 149, 447, 1433, 4299, 4619, 13857, 44423, 133269, 213517, 640551, 6619027, 19857081]

約数ペア:

[(1, 19857081), (3, 6619027), (31, 640551), (93, 213517), (149, 133269), (447, 44423), (1433, 13857), (4299, 4619)]